Free Letter - District Court of Delaware - Delaware

Case 1:04-cv—01373-KAJ Document 466-2 Filed 10/20/2006 Page1 0f2

Case 1 :04-cv—O1373-KAJ Document 466-2 Filed 10/20/2006 Page 2 of 2
‘12l patent, claim 7 ‘E(i7 patent, claim 1 ‘831 patent, claim I
An apparatus for storing video Electronic still imaging apparatus employing Electronic still imaging
pixel data representing video digital processing of image signals apparatus employing digital
images of a first resolution and, corresponding to a still image and storage of processing of image signals
for each of the images at said the processed image signals in a removable corresponding to a stiil image i
first resolution, a corresponding digital memory, said imaging apparatus and storage of the processed
video image at a second including an area image sensor having a two image signals in a digital
resolution, comprising: dimensional array of pliotosites corresponding memory, said imaging
to picture elements of the image and means apparatus inciuding an image
random access memory means for exposing said sensor to image light so sensor having an array of
for storing video pixel data that analog image information if (is) generated pliotosites conesponding to
representing one of a succession in respective pliotosites, said imaging picture elements of the still
of full size images at said first apparams comprising: image and means for exposing
resolution and a corresponding said sensor to image iight so
reduced size version thereof at means for converting analog image that analog image information
said second resoiution; information into digitai image signals is generated in respective
corresponding to the picture elements; piiotosites, said imaging
batik memory means for apparatus comprising:
z receiving said video pixel data an image buffer with storage capacity for
from said random access storing digital image signals corresponding to means for convening the analog
memory means and for storing a plurality of still images; image information into digital
said succession of full size imaging signals corresponding
images and the corresponding control processor means responsive to user to a predetermined picture
reduced size versions thereof, instructions for initiating operation of said resolution;
and for outputting upon a user’s exposing means, for clocking the image
command, either a selected one information from said sensor, and for means for subsainpiing said
of the successive foil size controlling said converting means to deliver digital image signals to generate
images or selected ones of the said digital signals to said image suffer, said reduced resolution image
corresponding reduced size control processor means loading digital image signals corresponding to a
versions thereof for direct signals corresponding to said plurality of stiii picture resolution lower than
transfer to, and storage back in, images into said image buffer at an input rate said oredeiennined resoiution;
said random access memory commensurate with normal operation of
means; the camera; means for generating a multi-
f format image tile
means responsive to said digital processing means for operating on representative of plural
g random access memory means blocks of stored digital image signals at a reseiutioris of the still image
for selectively generating one of processing throughput rate different than from the combination of said
said corresponding reduced size said input rate, said digital processing means digital image signals and said
versions from tiie respective fiiil including means for transforming blocks of reduced resolution image
size image in said random digital image signals into corresponding sets signals, said combination
access memory means, and for of transform coefficient signals and for forming a singular tile
transferring the video pixel data encoding the trazisforrn coeflicient signais smicture in which said reduced
l representing the corresponding into a compressed stream of processed resoiution image signals occupy
t reduced size version back to the digital image signals; a defined [ile area in relation to
i contents oi` said random access said digital image signals and
l memory means. means responsive to said digitai processing are commonly accessible
means for downloading the processed image ih€t’€WiTl1 for Clisplay and
_ signals to said removable digital memory; and ;3F005SSi11g; and
` diagnostic means for monitoring the m€&HS F0? Storing the image iiie
utiiization of said image butler wiaereiiy iii Said digital memory.
’ information is generated as to tlne current
E condition of the image buffer.
tisi DOCS ssiesssvi